* {
  box-sizing: border-box;
  -webkit-tap-highlight-color: transparent;
}
*:after,
*:before {
  box-sizing: border-box;
}
html,
body {
  height: 100%;
  -webkit-user-select: none;
     -moz-user-select: none;
      -ms-user-select: none;
          user-select: none;
  line-height: 1;
}
html {
  font-size: 20px;
  -webkit-text-size-adjust: 100%;
  -ms-text-size-adjust: 100%;
      text-size-adjust: 100%;
}
body,
div,
menu,
dl,
dt,
dd,
ul,
ol,
li,
h1,
h2,
h3,
h4,
h5,
h6,
pre,
form,
fieldset,
input,
textarea,
p {
  margin: 0;
  padding: 0;
}
article,
aside,
details,
figcaption,
figure,
footer,
header,
nav,
section {
  display: block;
}
a {
  text-decoration: none;
  color: #000;
}
a:active,
a:hover {
  text-decoration: none;
}
img {
  max-width: 100%;
  vertical-align: middle;
}
address,
code,
em,
strong,
th {
  font-style: normal;
  font-weight: normal;
}
ul,
ol {
  list-style-type: none;
}
button,
input[type="button"],
input[type="search"] {
  -webkit-appearance: none;
}
a,
input,
img,
select {
  outline: none;
}
input::-webkit-clear-button,
input::-webkit-inner-spin-button,
input::-webkit-outer-spin-button {
  -webkit-appearance: none;
}
.text-center {
  text-align: center;
}
.text-left {
  text-align: left;
}
.text-right {
  text-align: right;
}
.clearfix {
  *zoom: 1;
}
.clearfix:before,
.clearfix:after {
  display: table;
  content: '';
}
.clearfix:after {
  clear: both;
}
.clearfix .pull-left {
  float: left;
}
.clearfix .pull-right {
  float: right;
}
.flex {
  display: -webkit-box;
  display: -ms-flexbox;
  display: flex;
}
.flex > a,
.flex > .flex-item {
  -webkit-box-flex: 1;
      -ms-flex: 1;
          flex: 1;
}